Seiko Cal. 6668 - 527

The Seiko 6668-527 represents an important milestone in Seiko's 1995 lineup. Powered by the 6668 caliber with 23j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-f5492b6d9e43]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1995

Related Models

• Seiko 7119-700
• Seiko 6228-766
• Seiko 7045-113
• Seiko 6238-383
• Seiko 6374-297
• Seiko 6293-492
• Seiko 6310-760
• Seiko 5620-117
• Seiko 5613-156
• Seiko 0710-162
• Seiko 5258-230
• Seiko 6371-464